:root {
  --library-black: #09050A;
  --oxblood-ribbon: #8F1736;
  --burnt-plum: #2B1022;
  --parchment-cream: #F4E7C8;
  --candied-ember: #FF6A3D;
  --brass-halo: #D6A84C;
  --lilac-smoke: #BFA4D9;
  --folio-space: clamp(4rem, 9vw, 9rem);
  --page-rotation: -4deg;
  --ribbon-thickness: clamp(12px, 1.4vw, 21px);
  --serif: "Cormorant Garamond", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --display: "Fraunces", Georgia, serif;
  --jp: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "DM Sans", Inter, ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--parchment-cream);
  background:
    radial-gradient(circle at 18% 14%, rgba(143, 23, 54, .34), transparent 28rem),
    radial-gradient(circle at 78% 72%, rgba(191, 164, 217, .13), transparent 30rem),
    linear-gradient(135deg, var(--library-black), var(--burnt-plum) 52%, var(--library-black));
  font-family: var(--serif);
  overflow-x: hidden;
}

button { font: inherit; }

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  opacity: .18;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 3px, rgba(244, 231, 200, .08) 4px),
    repeating-linear-gradient(90deg, transparent 0 5px, rgba(214, 168, 76, .06) 6px);
  mix-blend-mode: screen;
}

.candle-bloom {
  position: fixed;
  width: 18rem;
  height: 18rem;
  left: 8vw;
  top: 12vh;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 106, 61, .4), rgba(214, 168, 76, .08) 38%, transparent 70%);
  filter: blur(16px);
  opacity: .58;
  animation: flicker 4.8s infinite;
  pointer-events: none;
}

.book { position: relative; }

.folio-stage {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  padding: var(--folio-space);
  isolation: isolate;
}

.folio-stage::before {
  content: "";
  position: absolute;
  inset: 7vh 8vw;
  background: linear-gradient(120deg, rgba(244, 231, 200, .96), rgba(244, 231, 200, .82));
  clip-path: polygon(6% 0, 100% 4%, 93% 100%, 0 91%);
  transform: rotate(var(--page-rotation));
  box-shadow: 0 2rem 8rem rgba(0, 0, 0, .55), inset 0 0 0 2px rgba(214, 168, 76, .32), inset 1.2rem 0 0 rgba(143, 23, 54, .18);
  opacity: .13;
  z-index: -1;
}

.page-number {
  position: absolute;
  right: -3vw;
  top: 3vh;
  font-family: var(--serif);
  font-size: clamp(9rem, 24vw, 22rem);
  line-height: .7;
  color: transparent;
  -webkit-text-stroke: 1px rgba(214, 168, 76, .42);
  opacity: .7;
  z-index: -1;
}

.ribbon-route {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 600vh;
  z-index: 3;
  pointer-events: none;
}

#ribbonPath {
  fill: none;
  stroke: var(--oxblood-ribbon);
  stroke-width: 18;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 6px 0 rgba(43, 16, 34, .8));
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 1.6s cubic-bezier(.4, 0, .08, 1);
}

body.ribbon-open #ribbonPath { stroke-dashoffset: 0; }

.cream-corner {
  position: absolute;
  right: 0;
  top: 0;
  width: min(34vw, 25rem);
  height: min(34vw, 25rem);
  background: var(--parchment-cream);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  box-shadow: -1rem 1rem 3rem rgba(0, 0, 0, .4);
}

.diagonal-gutter {
  position: absolute;
  inset: 0 auto 0 42%;
  width: 2px;
  background: linear-gradient(transparent, var(--brass-halo), transparent);
  transform: rotate(15deg);
  opacity: .6;
}

.summons-copy {
  width: min(56rem, 76vw);
  margin-top: 10vh;
  position: relative;
  z-index: 4;
}

.seal-label, .impish-margin, .folio-tabs, .ribbon-prompt {
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .72rem;
}

h1, h2 {
  font-family: var(--serif);
  font-weight: 500;
  margin: 0;
}

h1 {
  font-size: clamp(4.5rem, 13vw, 13rem);
  line-height: .78;
  letter-spacing: -.07em;
  color: var(--parchment-cream);
  text-shadow: .04em .04em 0 var(--burnt-plum), 0 0 2rem rgba(214, 168, 76, .24);
}

h2 {
  font-size: clamp(3rem, 8vw, 8rem);
  line-height: .83;
  color: var(--burnt-plum);
}

.lede {
  max-width: 42rem;
  font-size: clamp(1.4rem, 2.4vw, 2.4rem);
  line-height: 1.18;
}

.illuminated {
  position: relative;
  display: inline-block;
  font-family: var(--display);
  color: var(--brass-halo);
  font-size: 1.42em;
  text-shadow: 2px 2px 0 var(--oxblood-ribbon);
}

.is-entered .illuminated::before,
.is-entered .illuminated::after {
  content: "";
  position: absolute;
  top: -.18em;
  width: .18em;
  height: .3em;
  border-radius: 50% 50% 0 0;
  background: var(--candied-ember);
}

.is-entered .illuminated::before { left: .08em; transform: rotate(-22deg); }
.is-entered .illuminated::after { right: .1em; transform: rotate(22deg); }

.ribbon-prompt {
  border: 1px solid var(--brass-halo);
  background: var(--oxblood-ribbon);
  color: var(--parchment-cream);
  padding: 1rem 1.35rem;
  cursor: pointer;
  box-shadow: .45rem .45rem 0 var(--burnt-plum);
  transition: transform .35s ease, box-shadow .35s ease;
}

.ribbon-prompt:hover { transform: translate(.25rem, .25rem); box-shadow: .18rem .18rem 0 var(--burnt-plum); }
.ribbon-prompt.small { background: var(--burnt-plum); }

.ribbon-tail {
  position: absolute;
  left: -6vw;
  top: 54vh;
  width: 70vw;
  height: var(--ribbon-thickness);
  background: linear-gradient(90deg, transparent, var(--oxblood-ribbon), var(--candied-ember));
  transform: rotate(-13deg);
  border-radius: 999px 0 0 999px;
  box-shadow: 0 .7rem 0 rgba(43, 16, 34, .85);
}

.ribbon-tail::after {
  content: "";
  position: absolute;
  right: -2.6rem;
  top: -.9rem;
  width: 3rem;
  height: 3rem;
  border-right: var(--ribbon-thickness) solid var(--oxblood-ribbon);
  border-bottom: var(--ribbon-thickness) solid var(--oxblood-ribbon);
  border-radius: 0 0 95% 0;
  transform: rotate(22deg);
}

.horn-quote {
  position: absolute;
  font-family: var(--serif);
  font-size: 12rem;
  color: rgba(255, 106, 61, .36);
  animation: blink 5s infinite;
}
.horn-quote.left { left: 6vw; bottom: 4vh; }
.horn-quote.right { right: 18vw; top: 20vh; }

.margin-advice { color: var(--burnt-plum); }
.tilted-page {
  width: min(48rem, 70vw);
  margin: 10vh 0 0 19vw;
  padding: 3rem;
  background: var(--parchment-cream);
  transform: rotate(-5deg);
  box-shadow: 1.3rem 1.3rem 0 rgba(143, 23, 54, .38), 0 2rem 5rem rgba(0,0,0,.45);
}

.tilted-page p { font-size: clamp(1.35rem, 2vw, 2rem); }
.whisper { color: var(--8F1736); color: var(--oxblood-ribbon); }

.impish-margin {
  position: absolute;
  color: var(--lilac-smoke);
  writing-mode: vertical-rl;
  font-family: var(--jp);
  transition: transform .4s ease;
}
.impish-margin:hover { transform: translateX(-1rem) rotate(2deg); }
.left-rail { left: 3vw; top: 12vh; }
.right-rail { right: 5vw; top: 18vh; }

.rule-orbit { list-style: none; margin: 0; padding: 0; }
.wax-rule {
  position: absolute;
  color: var(--parchment-cream);
  background: var(--oxblood-ribbon);
  border: 1px solid var(--brass-halo);
  border-radius: 50%;
  width: 9rem;
  height: 9rem;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
  font-family: var(--display);
  box-shadow: inset 0 0 0 .5rem rgba(43,16,34,.35), 0 1rem 2rem rgba(0,0,0,.36);
}
.wax-rule:nth-child(1) { right: 15vw; top: 16vh; transform: rotate(12deg); }
.wax-rule:nth-child(2) { right: 8vw; bottom: 20vh; transform: rotate(-18deg); }
.wax-rule:nth-child(3) { left: 10vw; bottom: 9vh; transform: rotate(7deg); }

.ember-punctuation {
  position: absolute;
  color: var(--candied-ember);
  font-size: 3rem;
  animation: blink 2.2s infinite steps(2, end);
}
.eye-one { left: 33vw; top: 20vh; }
.eye-two { right: 31vw; bottom: 17vh; }

.ribbon-stair { color: var(--parchment-cream); }
.stair-ribbon {
  position: absolute;
  left: 44vw;
  top: 8vh;
  width: var(--ribbon-thickness);
  height: 84vh;
  background: var(--oxblood-ribbon);
  border-radius: 999px;
  transform: rotate(9deg);
  box-shadow: .7rem 0 0 var(--burnt-plum);
}
.slip {
  position: absolute;
  width: min(28rem, 52vw);
  padding: 1.4rem 1.8rem;
  background: var(--parchment-cream);
  color: var(--burnt-plum);
  font-family: var(--display);
  font-size: clamp(1.3rem, 2vw, 2.1rem);
  box-shadow: .8rem .8rem 0 rgba(214,168,76,.38);
}
.slip-one { left: 17vw; top: 18vh; transform: rotate(-7deg); }
.slip-two { right: 16vw; top: 42vh; transform: rotate(5deg); }
.slip-three { left: 25vw; bottom: 13vh; transform: rotate(-2deg); }
.claw-corner {
  position: absolute;
  right: 11vw;
  top: 7vh;
  width: 5rem;
  height: 5rem;
  border-top: .6rem solid var(--brass-halo);
  border-right: .6rem solid var(--brass-halo);
  border-radius: 0 2rem 0 0;
}

.tea-room { color: var(--burnt-plum); }
.saucer {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(214,168,76,.7);
  background: radial-gradient(circle, rgba(244,231,200,.92), rgba(191,164,217,.22) 45%, rgba(43,16,34,.45));
  box-shadow: 0 2rem 5rem rgba(0,0,0,.45);
}
.saucer-a { width: 42vw; height: 42vw; left: 6vw; top: 20vh; }
.saucer-b { width: 34vw; height: 34vw; right: 8vw; top: 9vh; }
.teacup {
  position: absolute;
  left: 33vw;
  top: 27vh;
  width: 18rem;
  height: 13rem;
  border-radius: 0 0 8rem 8rem;
  background: var(--parchment-cream);
  border: .45rem solid var(--brass-halo);
  box-shadow: inset 0 -2rem 0 rgba(143,23,54,.2), 0 1.5rem 4rem rgba(0,0,0,.45);
}
.teacup::after {
  content: "";
  position: absolute;
  right: -4.4rem;
  top: 2rem;
  width: 5rem;
  height: 5rem;
  border: .55rem solid var(--brass-halo);
  border-left: 0;
  border-radius: 0 50% 50% 0;
}
.tea-glow {
  position: absolute;
  inset: 1.2rem 2rem auto;
  height: 2rem;
  border-radius: 50%;
  background: radial-gradient(circle, var(--candied-ember), var(--oxblood-ribbon));
  animation: flicker 3s infinite;
}
.steam {
  position: absolute;
  bottom: 12rem;
  width: 2rem;
  height: 10rem;
  border-left: 3px solid var(--lilac-smoke);
  border-radius: 50%;
  animation: smoke 5s infinite ease-in-out;
}
.steam-a { left: 5rem; }
.steam-b { left: 9rem; animation-delay: -1.5s; }
.horn-quote-card {
  position: absolute;
  right: 10vw;
  bottom: 15vh;
  width: min(32rem, 42vw);
  font-family: var(--display);
  color: var(--parchment-cream);
  font-size: clamp(1.7rem, 3vw, 3rem);
}
.sugar {
  position: absolute;
  width: 4rem;
  height: 3.2rem;
  background: var(--parchment-cream);
  transform: skew(-12deg) rotate(8deg);
  box-shadow: 1.6rem 1.1rem 0 rgba(9,5,10,.45);
}
.sugar-one { left: 15vw; bottom: 18vh; }
.sugar-two { left: 20vw; bottom: 23vh; }

.contract-scene { color: var(--burnt-plum); }
.black-envelope {
  position: absolute;
  left: 10vw;
  top: 24vh;
  width: min(38rem, 72vw);
  height: 22rem;
  background: var(--library-black);
  border: 1px solid var(--brass-halo);
  color: var(--parchment-cream);
  display: grid;
  place-items: center;
  font-family: var(--sans);
  letter-spacing: .15em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 1rem 1rem 0 var(--oxblood-ribbon);
}
.envelope-flap {
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, transparent 49%, rgba(214,168,76,.4) 50%, transparent 51%);
  clip-path: polygon(0 0, 100% 0, 50% 58%);
  transform-origin: top;
  transition: transform .65s ease;
}
.black-envelope.open .envelope-flap { transform: rotateX(70deg); }
.foldout-contract {
  position: absolute;
  right: 8vw;
  top: 13vh;
  width: min(44rem, 70vw);
  min-height: 66vh;
  padding: 3rem;
  background: var(--parchment-cream);
  transform-origin: left center;
  transform: rotate(5deg) scaleX(.12);
  opacity: .3;
  transition: transform .8s cubic-bezier(.2, .8, .16, 1), opacity .8s ease;
  box-shadow: -1rem 1rem 0 rgba(191,164,217,.4), 0 2rem 5rem rgba(0,0,0,.45);
}
.foldout-contract.open { transform: rotate(2deg) scaleX(1); opacity: 1; }
.foldout-contract p, .foldout-contract li { font-size: 1.4rem; }
.wax-seal {
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--oxblood-ribbon);
  color: var(--brass-halo);
  font-size: 4rem;
  box-shadow: inset 0 0 0 .45rem rgba(43,16,34,.45);
}
.ladder {
  position: absolute;
  left: 47vw;
  bottom: 6vh;
  width: 8rem;
  height: 18rem;
  background: repeating-linear-gradient(0deg, transparent 0 2rem, var(--brass-halo) 2.1rem 2.35rem), linear-gradient(90deg, var(--brass-halo) 0 .25rem, transparent .25rem 7.75rem, var(--brass-halo) 7.75rem 8rem);
  transform: rotate(-12deg);
}

.observatory { text-align: center; }
.observatory::before { opacity: .08; }
.bookplate-sky {
  position: relative;
  margin: 4vh auto 4rem;
  width: min(54rem, 76vw);
  height: min(54rem, 76vw);
  border-radius: 46% 54% 50% 50%;
  border: 2px solid var(--brass-halo);
  background: radial-gradient(circle at 50% 50%, rgba(191,164,217,.22), rgba(43,16,34,.78) 52%, rgba(9,5,10,.96));
  box-shadow: inset 0 0 0 1rem rgba(214,168,76,.08), 0 2rem 7rem rgba(0,0,0,.55);
}
.star { position: absolute; color: var(--candied-ember); font-size: clamp(1.6rem, 4vw, 4rem); animation: twinkle 3s infinite; }
.s1 { left: 22%; top: 30%; }
.s2 { left: 58%; top: 22%; animation-delay: -.6s; }
.s3 { left: 66%; top: 58%; animation-delay: -1s; }
.s4 { left: 36%; top: 68%; animation-delay: -1.6s; }
.s5 { left: 45%; top: 43%; color: var(--lilac-smoke); animation-delay: -2s; }
.constellation-line { position: absolute; height: 1px; background: rgba(214,168,76,.5); transform-origin: left center; }
.l1 { left: 29%; top: 37%; width: 31%; transform: rotate(-17deg); }
.l2 { left: 50%; top: 51%; width: 24%; transform: rotate(42deg); }
.observatory h2 { color: var(--parchment-cream); }
.closing-note { width: min(42rem, 78vw); margin: 1.4rem auto; font-size: clamp(1.35rem, 2vw, 2rem); }

.folio-tabs {
  position: fixed;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: grid;
  gap: .45rem;
}
.folio-tabs button {
  width: 2.4rem;
  height: 3.3rem;
  border: 1px solid rgba(214,168,76,.65);
  background: var(--burnt-plum);
  color: var(--parchment-cream);
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% 82%, 50% 100%, 0 82%);
  transition: transform .3s ease, background .3s ease;
}
.folio-tabs button:hover, .folio-tabs button.active { background: var(--oxblood-ribbon); transform: translateX(-.45rem); }

.scene-ready { animation: pageWake .9s ease both; }

@keyframes flicker { 0%, 100% { opacity: .48; transform: scale(1); } 45% { opacity: .72; transform: scale(1.08); } 62% { opacity: .38; transform: scale(.96); } }
@keyframes blink { 0%, 86%, 100% { opacity: .9; } 88%, 94% { opacity: .18; } }
@keyframes smoke { 0% { transform: translateY(0) translateX(0) rotate(0); opacity: 0; } 30% { opacity: .8; } 100% { transform: translateY(-6rem) translateX(2rem) rotate(18deg); opacity: 0; } }
@keyframes twinkle { 0%, 100% { opacity: .45; transform: scale(.92); } 50% { opacity: 1; transform: scale(1.12); } }
@keyframes pageWake { from { clip-path: inset(0 0 100% 0); filter: blur(8px); } to { clip-path: inset(0 0 0 0); filter: blur(0); } }

@media (max-width: 760px) {
  .folio-stage { padding: 5rem 1.4rem; }
  .summons-copy, .tilted-page, .foldout-contract { width: calc(100vw - 2.8rem); margin-left: 0; }
  .rule-orbit .wax-rule { width: 7rem; height: 7rem; font-size: .9rem; }
  .teacup { left: 15vw; width: 14rem; }
  .horn-quote-card { width: 78vw; right: 6vw; }
  .folio-tabs { display: none; }
}